/*
 *  Copyright 2001-2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package ar.uba.fi.posgrado.academy.service.impl;

import java.util.List;

import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import ar.uba.fi.posgrado.academy.dao.AcademicRecordDAO;
import ar.uba.fi.posgrado.academy.model.AcademicRecord;
import ar.uba.fi.posgrado.academy.service.AcademicRecordService;
import ar.uba.fi.posgrado.academy.service.SubjectService;
import ar.uba.fi.posgrado.common.exception.MissingArgumentException;
import ar.uba.fi.posgrado.common.exception.PosgradoException;
import ar.uba.fi.posgrado.common.exception.PosgradoRuntimeException;
import ar.uba.fi.posgrado.common.model.User;
import ar.uba.fi.posgrado.common.util.CriterionBuilder;

public class AcademicRecordServiceImpl implements AcademicRecordService {

	private AcademicRecordDAO academicRecordDAO;

	private SubjectService subjectService;

	public AcademicRecordDAO getAcademicRecordDAO() {
		return academicRecordDAO;
	}

	public void setAcademicRecordDAO(AcademicRecordDAO academicRecordDAO) {
		this.academicRecordDAO = academicRecordDAO;
	}

	public void setSubjectService(SubjectService subjectService) {
		this.subjectService = subjectService;
	}

	public SubjectService getSubjectService() {
		return subjectService;
	}

	@Transactional(readOnly = false, propagation = Propagation.REQUIRED)
	public void create(AcademicRecord academicRecord)
			throws MissingArgumentException, PosgradoException {
		if (academicRecord.getTeacher() == null
				|| academicRecord.getSubject() == null
				|| academicRecord.getDate() == null) {
			String mensaje = "El docente, la materia y la fecha son datos obligatorios para crear un acta.";
			throw new MissingArgumentException(mensaje);
		}

		if (academicRecord.getCoursings() == null
				|| academicRecord.getCoursings().isEmpty()) {
			String mensaje = "Las actas deben tener al menos un registro.";
			throw new MissingArgumentException(mensaje);
		}

		this.getAcademicRecordDAO().save(academicRecord); // usa el dao para
		// crear el objeto
	}

	@Transactional(readOnly = false, propagation = Propagation.REQUIRED)
	public void delete(AcademicRecord t) throws PosgradoRuntimeException,
			PosgradoException {
		this.getAcademicRecordDAO().remove(t);
	}

	@Transactional(readOnly = true)
	public List<AcademicRecord> getAll() throws PosgradoRuntimeException,
			PosgradoException {
		return this.getAcademicRecordDAO().findAll();
	}

	@Transactional(readOnly = true)
	public AcademicRecord getById(Long id) throws PosgradoRuntimeException,
			PosgradoException {
		return (AcademicRecord) this.getAcademicRecordDAO().findById(id);
	}

	@Transactional(readOnly = false, propagation = Propagation.REQUIRED)
	public AcademicRecord update(AcademicRecord t)
			throws PosgradoRuntimeException, PosgradoException {
		this.getAcademicRecordDAO().update(t);
		return (AcademicRecord) this.getAcademicRecordDAO().findById(t.getId());
	}

	public List<AcademicRecord> getBySubjectId(long subjectId)
			throws PosgradoRuntimeException, PosgradoException {
		CriterionBuilder builder = new CriterionBuilder();
		builder.add("subject", subjectService.getById(subjectId));
		return getAcademicRecordDAO().findByCriterions(builder.toCriterions());
	}

	/**
	 * @see ar.uba.fi.posgrado.common.service.GenericService#filter(java.util.List,
	 *      ar.uba.fi.posgrado.common.model.User)
	 */
	public List<AcademicRecord> filter(List<AcademicRecord> list, User user)
			throws PosgradoRuntimeException, PosgradoException {
		return list;
	}
}
